Posted tagged ‘Colorado State University’

We are super excited to release our first podcast in our new series, Show Me Some Science! These short podcasts are designed to be used in the classroom or incorporated into your lessons.

In this episode we look at wave interference. When two waves meet they can interact before they pass through each other. They can add up or cancel out and this is know as constructive and destructive interference.

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Download
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Rivers can be a great example of mixtures, when the water carries rocks, sand and clay and deposits them in different places. Join geologist (and EverDay Science Producer!) Herb Saperston as he explores mixtures along the Podure River.

Also, we look one last time at mixing and unmixing. This time the secret ingredient is salt!

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Mixtures 9: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.StandardDVD

Last time we saw that it is possible to unmix a mixture, or separate it into it’s constituent parts. This week we will learn how to unmix different types of plastic so they can be recycled. And we’ll learn how to unmix sand from Dominica.

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Mixtures 7: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.StandardDVD

Empedocles was an ancient Greek Philosopher and the first Western thinker to propose that everything in the world was a mixture of basic substances. He believed the four elements were Earth, Air, Fire and Water.

In this podcast we also look at physically un-mixing, or separating out mixtures into their basic substances.

Click to subscribe to our podcast! You can also subscribe to this blog by using the button on the right side of the page.

Mixtures 6: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.StandardDVD